[media] stk-webcam: fix an endian bug in stk_camera_read_reg()
We pass an int pointer to stk_camera_read_reg() but only write to the
highest byte. It's a bug on big endian systems and generally a nasty
thing to do and doesn't match the write function either.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/drivers/media/usb/stkwebcam/stk-sensor.c b/drivers/media/usb/stkwebcam/stk-sensor.c
index 13ad8fd..fbccbb2e 100644
--- a/drivers/media/usb/stkwebcam/stk-sensor.c
+++ b/drivers/media/usb/stkwebcam/stk-sensor.c
@@ -228,7 +228,7 @@
static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val)
{
int i = 0;
- int tmpval = 0;
+ u8 tmpval = 0;
if (stk_camera_write_reg(dev, STK_IIC_TX_INDEX, reg))
return 1;
@@ -253,7 +253,7 @@ static int stk_sensor_outb(struct stk_camera *dev, u8 reg, u8 val)
static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val)
{
int i = 0;
- int tmpval = 0;
+ u8 tmpval = 0;
if (stk_camera_write_reg(dev, STK_IIC_RX_INDEX, reg))
return 1;
@@ -274,7 +274,7 @@ static int stk_sensor_inb(struct stk_camera *dev, u8 reg, u8 *val)
if (stk_camera_read_reg(dev, STK_IIC_RX_VALUE, &tmpval))
return 1;
- *val = (u8) tmpval;
+ *val = tmpval;
return 0;
}